. Geological magazine. lates; (3) Jurassic Gasteropoda,Part I. No. 1, by Mr. W. H. Hudleston ; (4) Inferior Oolite Ammonites, Part Mr. G. S. Buckman, with 6 plates; (5) Pleistocene Mammalia, Part VI. byProf. W. Boyd Dawkins, with 7 plates, is now with the binder, and will be issuedto the Members toward the close of the present month, The volume for 1887, of which nearly all the plates are ready, will be placed inthe printers hands at once, and will be distributed before the end of the year. The new Monographs, on the Fossil Sponges, the Stromatoporoids, the JurassicGasteropoda, and the In
. Geological magazine. lates; (3) Jurassic Gasteropoda,Part I. No. 1, by Mr. W. H. Hudleston ; (4) Inferior Oolite Ammonites, Part Mr. G. S. Buckman, with 6 plates; (5) Pleistocene Mammalia, Part VI. byProf. W. Boyd Dawkins, with 7 plates, is now with the binder, and will be issuedto the Members toward the close of the present month, The volume for 1887, of which nearly all the plates are ready, will be placed inthe printers hands at once, and will be distributed before the end of the year. The new Monographs, on the Fossil Sponges, the Stromatoporoids, the JurassicGasteropoda, and the Inferior Oolite Ammonites, will require many plates for theirillustration, and will be very costly. It would be a considerable aid to the Societyif Members would mention these Monographs to those of their friends who areinterested in such subjects, and if they would try to bring in new Subscribers. 25, Granville Park, Lewisham, Thos. Wiltshire, London, 7th March, 1887. Secretary. Geol, Mag. 1887. Decade IV. PL WestNe-wmaii & New British. Liassic Gasteropoda. THE GEOLOGICAL MAGAZINE. NEW SERIES. DECADE III. VOL. IV. No. v.—MAY, 1887. OI^X<3-Z3^J^IJ J^iaTXGXjES. I.—British Liassic Gasteropoda. By E. Wilson, ; Curator of the Bristol Museum. fPLATE V.) Introduction. THE Gasteropoda, next to the Lameilibrancliiate Mollnsca, are themost varied class of organisms found in the Lias. The generalelegance of their forms, and the frequent beauty of their ornamenta-tion, make these fossils extremely attractive objects; whilst theirlimited vertical range gives them a by no means inconsiderablestratigraphical importance. Notwithstanding these inducements totheir study, the Gasteropoda of the Lias have not received, in thiscountry, anything like the amount of attention which has been givento the other leading classes of organisms derived from that the Continent, on the other hand, considerable progress had beenmade in the inves
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